Incumbent: Gwen Moore · Democrat
Gwen Moore (Democratic Party) is a member of the U.S. House, representing Wisconsin's 4th Congressional District. She assumed office on January 3, 2005. Her current term ends on January 3, 2027. Moore (Democratic Party) is running for re-election to the U.S. House to represent Wisconsin's 4th Congressional District. She declared candidacy for the Democratic primary scheduled on August 11, 2026.
Amy Donahue (Democratic Party) is running for election to the U.S. House to represent Wisconsin's 4th Congressional District. She declared candidacy for the Democratic primary scheduled on August 11, 2026.
Carlos Dixon (independent) is running for election to the U.S. House to represent Wisconsin's 4th Congressional District. Dixon declared candidacy for the general election scheduled on November 3, 2026.
Purnima Nath (Republican Party) is running for election to the U.S. House to represent Wisconsin's 4th Congressional District. She declared candidacy for the Republican primary scheduled on August 11, 2026.
